Dr. Sanjay Gupta questions whether Biden's behavior reflects an underlying condition

Chief Medical Correspondent Dr. Sanjay Gupta talks about troubling behaviors demonstrated by President Joe Biden during the recent CNN debate. These include slow responses, trouble finding words, and less facial movement. Dr. Gupta stresses the need to tell the difference between one-off incidents and possible underlying conditions, urging the president to undergo cognitive testing and share his results. #CNN #News Want to stay up to date on the day’s top stories? Sign up for CNN’s 5 Things newsletter, and we’ll give you the 5 biggest stories you need to know, videos people are watching, and more! Sign up here: https://www.cnn.com/newsletters/5-things?source=nl-acq_social_youtubedesc&utm_source=nl-acq_social_youtubedesc